.box{
    width: 800px;
    height: 600px;
    background-color: pink;
    border: 3px solid #000;
    margin: 100px auto;
    .top{
        height: 500px;
        width: 100%;
        border-bottom: 2px solid #000;
        box-sizing: border-box;
    }
    input{
        width: 100%;
        height: 100px;
        display: block;
        border: none;
        outline: none;
        font-size: 30px;
       box-sizing: border-box;
       padding: 20px;
    }

}
p{
    line-height: 35px;
    font-size: 24px;
    padding: 0 20px;
}
.left{
    color: skyblue;
}
.right{
    color: goldenrod;
    text-align: right;
}

.huishouye{
    width: 200px;
    height: 200px;
    border-radius: 60%;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    text-align: center;
    // line-height: 100px;
    color: red;
    background-color: rgb(96, 180, 236);
    opacity: 0.6;
    position: fixed;
    right: 10px;
    bottom: 20px;
}
.huishouye a{
    width: 200px;
    height: 200px;
    border-radius: 60%;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    text-align: center;
    // line-height: 100px;
    color: red;
    background-color: rgb(96, 180, 236);
    opacity: 0.6;
    position: fixed;
    right: 10px;
    bottom: 20px;
    &:active{
       color:#fff;
    }
}
